// Copyright 2025 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Code generated by 'go generate' (with ./internal/asmgen). DO NOT EDIT.
//go:build !math_big_pure_go && (mips || mipsle)
#include "textflag.h"
// func addVV(z, x, y []Word) (c Word)
TEXT ·addVV(SB), NOSPLIT, $0
MOVW z_len+4(FP), R1
MOVW x_base+12(FP), R2
MOVW y_base+24(FP), R3
MOVW z_base+0(FP), R4
// compute unrolled loop lengths
AND $3, R1, R5
SRL $2, R1
XOR R24, R24 // clear carry
loop1:
BEQ R5, loop1done
loop1cont:
// unroll 1X
MOVW 0(R2), R6
MOVW 0(R3), R7
ADDU R7, R6 // ADCS R7, R6, R6 (cr=R24)
SGTU R7, R6, R23 // ...
ADDU R24, R6 // ...
SGTU R24, R6, R24 // ...
ADDU R23, R24 // ...
MOVW R6, 0(R4)
ADDU $4, R2
ADDU $4, R3
ADDU $4, R4
SUBU $1, R5
BNE R5, loop1cont
loop1done:
loop4:
BEQ R1, loop4done
loop4cont:
// unroll 4X
MOVW 0(R2), R5
MOVW 4(R2), R6
MOVW 8(R2), R7
MOVW 12(R2), R8
MOVW 0(R3), R9
MOVW 4(R3), R10
MOVW 8(R3), R11
MOVW 12(R3), R12
ADDU R9, R5 // ADCS R9, R5, R5 (cr=R24)
SGTU R9, R5, R23 // ...
ADDU R24, R5 // ...
SGTU R24, R5, R24 // ...
ADDU R23, R24 // ...
ADDU R10, R6 // ADCS R10, R6, R6 (cr=R24)
SGTU R10, R6, R23 // ...
ADDU R24, R6 // ...
SGTU R24, R6, R24 // ...
ADDU R23, R24 // ...
ADDU R11, R7 // ADCS R11, R7, R7 (cr=R24)
SGTU R11, R7, R23 // ...
ADDU R24, R7 // ...
SGTU R24, R7, R24 // ...
ADDU R23, R24 // ...
ADDU R12, R8 // ADCS R12, R8, R8 (cr=R24)
SGTU R12, R8, R23 // ...
ADDU R24, R8 // ...
SGTU R24, R8, R24 // ...
ADDU R23, R24 // ...
MOVW R5, 0(R4)
MOVW R6, 4(R4)
MOVW R7, 8(R4)
MOVW R8, 12(R4)
ADDU $16, R2
ADDU $16, R3
ADDU $16, R4
SUBU $1, R1
BNE R1, loop4cont
loop4done:
MOVW R24, c+36(FP)
RET
// func subVV(z, x, y []Word) (c Word)
TEXT ·subVV(SB), NOSPLIT, $0
MOVW z_len+4(FP), R1
MOVW x_base+12(FP), R2
MOVW y_base+24(FP), R3
MOVW z_base+0(FP), R4
// compute unrolled loop lengths
AND $3, R1, R5
SRL $2, R1
XOR R24, R24 // clear carry
loop1:
BEQ R5, loop1done
loop1cont:
// unroll 1X
MOVW 0(R2), R6
MOVW 0(R3), R7
SGTU R24, R6, R23 // SBCS R7, R6, R6
SUBU R24, R6 // ...
SGTU R7, R6, R24 // ...
SUBU R7, R6 // ...
ADDU R23, R24 // ...
MOVW R6, 0(R4)
ADDU $4, R2
ADDU $4, R3
ADDU $4, R4
SUBU $1, R5
BNE R5, loop1cont
loop1done:
loop4:
BEQ R1, loop4done
loop4cont:
// unroll 4X
MOVW 0(R2), R5
MOVW 4(R2), R6
MOVW 8(R2), R7
MOVW 12(R2), R8
MOVW 0(R3), R9
MOVW 4(R3), R10
MOVW 8(R3), R11
MOVW 12(R3), R12
SGTU R24, R5, R23 // SBCS R9, R5, R5
SUBU R24, R5 // ...
SGTU R9, R5, R24 // ...
SUBU R9, R5 // ...
ADDU R23, R24 // ...
SGTU R24, R6, R23 // SBCS R10, R6, R6
SUBU R24, R6 // ...
SGTU R10, R6, R24 // ...
SUBU R10, R6 // ...
ADDU R23, R24 // ...
SGTU R24, R7, R23 // SBCS R11, R7, R7
SUBU R24, R7 // ...
SGTU R11, R7, R24 // ...
SUBU R11, R7 // ...
ADDU R23, R24 // ...
SGTU R24, R8, R23 // SBCS R12, R8, R8
SUBU R24, R8 // ...
SGTU R12, R8, R24 // ...
SUBU R12, R8 // ...
ADDU R23, R24 // ...
MOVW R5, 0(R4)
MOVW R6, 4(R4)
MOVW R7, 8(R4)
MOVW R8, 12(R4)
ADDU $16, R2
ADDU $16, R3
ADDU $16, R4
SUBU $1, R1
BNE R1, loop4cont
loop4done:
MOVW R24, c+36(FP)
RET
// func lshVU(z, x []Word, s uint) (c Word)
TEXT ·lshVU(SB), NOSPLIT, $0
MOVW z_len+4(FP), R1
BEQ R1, ret0
MOVW s+24(FP), R2
MOVW x_base+12(FP), R3
MOVW z_base+0(FP), R4
// run loop backward
SLL $2, R1, R5
ADDU R5, R3
SLL $2, R1, R5
ADDU R5, R4
// shift first word into carry
MOVW -4(R3), R5
MOVW $32, R6
SUBU R2, R6
SRL R6, R5, R7
SLL R2, R5
MOVW R7, c+28(FP)
// shift remaining words
SUBU $1, R1
// compute unrolled loop lengths
AND $3, R1, R7
SRL $2, R1
loop1:
BEQ R7, loop1done
loop1cont:
// unroll 1X
MOVW -8(R3), R8
SRL R6, R8, R9
OR R5, R9
SLL R2, R8, R5
MOVW R9, -4(R4)
ADDU $-4, R3
ADDU $-4, R4
SUBU $1, R7
BNE R7, loop1cont
loop1done:
loop4:
BEQ R1, loop4done
loop4cont:
// unroll 4X
MOVW -8(R3), R7
MOVW -12(R3), R8
MOVW -16(R3), R9
MOVW -20(R3), R10
SRL R6, R7, R11
OR R5, R11
SLL R2, R7, R5
SRL R6, R8, R7
OR R5, R7
SLL R2, R8, R5
SRL R6, R9, R8
OR R5, R8
SLL R2, R9, R5
SRL R6, R10, R9
OR R5, R9
SLL R2, R10, R5
MOVW R11, -4(R4)
MOVW R7, -8(R4)
MOVW R8, -12(R4)
MOVW R9, -16(R4)
ADDU $-16, R3
ADDU $-16, R4
SUBU $1, R1
BNE R1, loop4cont
loop4done:
// store final shifted bits
MOVW R5, -4(R4)
RET
ret0:
MOVW R0, c+28(FP)
RET
// func rshVU(z, x []Word, s uint) (c Word)
TEXT ·rshVU(SB), NOSPLIT, $0
MOVW z_len+4(FP), R1
BEQ R1, ret0
MOVW s+24(FP), R2
MOVW x_base+12(FP), R3
MOVW z_base+0(FP), R4
// shift first word into carry
MOVW 0(R3), R5
MOVW $32, R6
SUBU R2, R6
SLL R6, R5, R7
SRL R2, R5
MOVW R7, c+28(FP)
// shift remaining words
SUBU $1, R1
// compute unrolled loop lengths
AND $3, R1, R7
SRL $2, R1
loop1:
BEQ R7, loop1done
loop1cont:
// unroll 1X
MOVW 4(R3), R8
SLL R6, R8, R9
OR R5, R9
SRL R2, R8, R5
MOVW R9, 0(R4)
ADDU $4, R3
ADDU $4, R4
SUBU $1, R7
BNE R7, loop1cont
loop1done:
loop4:
BEQ R1, loop4done
loop4cont:
// unroll 4X
MOVW 4(R3), R7
MOVW 8(R3), R8
MOVW 12(R3), R9
MOVW 16(R3), R10
SLL R6, R7, R11
OR R5, R11
SRL R2, R7, R5
SLL R6, R8, R7
OR R5, R7
SRL R2, R8, R5
SLL R6, R9, R8
OR R5, R8
SRL R2, R9, R5
SLL R6, R10, R9
OR R5, R9
SRL R2, R10, R5
MOVW R11, 0(R4)
MOVW R7, 4(R4)
MOVW R8, 8(R4)
MOVW R9, 12(R4)
ADDU $16, R3
ADDU $16, R4
SUBU $1, R1
BNE R1, loop4cont
loop4done:
// store final shifted bits
MOVW R5, 0(R4)
RET
ret0:
MOVW R0, c+28(FP)
RET
// func mulAddVWW(z, x []Word, m, a Word) (c Word)
TEXT ·mulAddVWW(SB), NOSPLIT, $0
MOVW m+24(FP), R1
MOVW a+28(FP), R2
MOVW z_len+4(FP), R3
MOVW x_base+12(FP), R4
MOVW z_base+0(FP), R5
// compute unrolled loop lengths
AND $3, R3, R6
SRL $2, R3
loop1:
BEQ R6, loop1done
loop1cont:
// unroll 1X
MOVW 0(R4), R7
// synthetic carry, one column at a time
MULU R1, R7
MOVW LO, R8
MOVW HI, R9
ADDU R2, R8, R7 // ADDS R2, R8, R7 (cr=R24)
SGTU R2, R7, R24 // ...
ADDU R24, R9, R2 // ADC $0, R9, R2
MOVW R7, 0(R5)
ADDU $4, R4
ADDU $4, R5
SUBU $1, R6
BNE R6, loop1cont
loop1done:
loop4:
BEQ R3, loop4done
loop4cont:
// unroll 4X
MOVW 0(R4), R6
MOVW 4(R4), R7
MOVW 8(R4), R8
MOVW 12(R4), R9
// synthetic carry, one column at a time
MULU R1, R6
MOVW LO, R10
MOVW HI, R11
ADDU R2, R10, R6 // ADDS R2, R10, R6 (cr=R24)
SGTU R2, R6, R24 // ...
ADDU R24, R11, R2 // ADC $0, R11, R2
MULU R1, R7
MOVW LO, R10
MOVW HI, R11
ADDU R2, R10, R7 // ADDS R2, R10, R7 (cr=R24)
SGTU R2, R7, R24 // ...
ADDU R24, R11, R2 // ADC $0, R11, R2
MULU R1, R8
MOVW LO, R10
MOVW HI, R11
ADDU R2, R10, R8 // ADDS R2, R10, R8 (cr=R24)
SGTU R2, R8, R24 // ...
ADDU R24, R11, R2 // ADC $0, R11, R2
MULU R1, R9
MOVW LO, R10
MOVW HI, R11
ADDU R2, R10, R9 // ADDS R2, R10, R9 (cr=R24)
SGTU R2, R9, R24 // ...
ADDU R24, R11, R2 // ADC $0, R11, R2
MOVW R6, 0(R5)
MOVW R7, 4(R5)
MOVW R8, 8(R5)
MOVW R9, 12(R5)
ADDU $16, R4
ADDU $16, R5
SUBU $1, R3
BNE R3, loop4cont
loop4done:
MOVW R2, c+32(FP)
RET
// func addMulVVWW(z, x, y []Word, m, a Word) (c Word)
TEXT ·addMulVVWW(SB), NOSPLIT, $0
MOVW m+36(FP), R1
MOVW a+40(FP), R2
MOVW z_len+4(FP), R3
MOVW x_base+12(FP), R4
MOVW y_base+24(FP), R5
MOVW z_base+0(FP), R6
// compute unrolled loop lengths
AND $3, R3, R7
SRL $2, R3
loop1:
BEQ R7, loop1done
loop1cont:
// unroll 1X
MOVW 0(R4), R8
MOVW 0(R5), R9
// synthetic carry, one column at a time
MULU R1, R9
MOVW LO, R10
MOVW HI, R11
ADDU R8, R10 // ADDS R8, R10, R10 (cr=R24)
SGTU R8, R10, R24 // ...
ADDU R24, R11 // ADC $0, R11, R11
ADDU R2, R10, R9 // ADDS R2, R10, R9 (cr=R24)
SGTU R2, R9, R24 // ...
ADDU R24, R11, R2 // ADC $0, R11, R2
MOVW R9, 0(R6)
ADDU $4, R4
ADDU $4, R5
ADDU $4, R6
SUBU $1, R7
BNE R7, loop1cont
loop1done:
loop4:
BEQ R3, loop4done
loop4cont:
// unroll 4X
MOVW 0(R4), R7
MOVW 4(R4), R8
MOVW 8(R4), R9
MOVW 12(R4), R10
MOVW 0(R5), R11
MOVW 4(R5), R12
MOVW 8(R5), R13
MOVW 12(R5), R14
// synthetic carry, one column at a time
MULU R1, R11
MOVW LO, R15
MOVW HI, R16
ADDU R7, R15 // ADDS R7, R15, R15 (cr=R24)
SGTU R7, R15, R24 // ...
ADDU R24, R16 // ADC $0, R16, R16
ADDU R2, R15, R11 // ADDS R2, R15, R11 (cr=R24)
SGTU R2, R11, R24 // ...
ADDU R24, R16, R2 // ADC $0, R16, R2
MULU R1, R12
MOVW LO, R15
MOVW HI, R16
ADDU R8, R15 // ADDS R8, R15, R15 (cr=R24)
SGTU R8, R15, R24 // ...
ADDU R24, R16 // ADC $0, R16, R16
ADDU R2, R15, R12 // ADDS R2, R15, R12 (cr=R24)
SGTU R2, R12, R24 // ...
ADDU R24, R16, R2 // ADC $0, R16, R2
MULU R1, R13
MOVW LO, R15
MOVW HI, R16
ADDU R9, R15 // ADDS R9, R15, R15 (cr=R24)
SGTU R9, R15, R24 // ...
ADDU R24, R16 // ADC $0, R16, R16
ADDU R2, R15, R13 // ADDS R2, R15, R13 (cr=R24)
SGTU R2, R13, R24 // ...
ADDU R24, R16, R2 // ADC $0, R16, R2
MULU R1, R14
MOVW LO, R15
MOVW HI, R16
ADDU R10, R15 // ADDS R10, R15, R15 (cr=R24)
SGTU R10, R15, R24 // ...
ADDU R24, R16 // ADC $0, R16, R16
ADDU R2, R15, R14 // ADDS R2, R15, R14 (cr=R24)
SGTU R2, R14, R24 // ...
ADDU R24, R16, R2 // ADC $0, R16, R2
MOVW R11, 0(R6)
MOVW R12, 4(R6)
MOVW R13, 8(R6)
MOVW R14, 12(R6)
ADDU $16, R4
ADDU $16, R5
ADDU $16, R6
SUBU $1, R3
BNE R3, loop4cont
loop4done:
MOVW R2, c+44(FP)
RET
